Julia and Taco have secret nighttime adventures. The children find out and organize a family intervention. Zimbini and Kees secretly drink alcohol. Meanwhile, Max finally gets his biological mother on the phone.

Julia visits a psychologist because everyone thinks she is in crisis. Taco receives bad news at work. Dennis wants to know how long Julia intends to continue living on the houseboat. Zimbini and Kees have an argument. Julia decides to cancel the vacation plans.

Julia and Taco are about to break up for good. Dennis drags Taco along to a carnival party to change his mind. Guus and Lotus make secret plans to save the situation.